I still use Chrome. But, I disable all the extension like Gmail checker, spell checker, gdrive, etc. When I compare the cpu utilization, it's much lower now. I did the same for explorer, disable all the add-on.
saw this article.
http://www.theverge.com/2014/7/18/5914975/google-chrome-windows-laptop-battery-drain-fix
guess the issue is getting some attention now.